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Lawrenceville Weather

Weather for La Barge, Wyoming

Lat: 42.26N, Lon: 110.2W
Wx Zone: WYZ026 CWA Used: RIW

Wyoming Drought Monitor

The Wyoming Drought monitor is a subset of the United States Monitor, issued every Thursday morning, based on drought conditions the previous Tuesday. The map below shows the current drought level around the state, and the percent of Wyoming land area in each drought level compared to the previous week.

Read an explanation of the drought intensities and what they mean.

Wyoming Drought Monitor

Wyoming Hydrologic Information Statement

Note that if drought conditions are not being experienced, or in the case of river flooding or heavy rain, this statement may be used to indicate river flows or flood potential.

FGUS75 KRIW 052134

Probabilistic Hydrologic Outlook
National Weather Service Riverton WY
234 PM MST THU MAR 5 2015

  ...Spring 2015 Flood and Water Resources Outlook...

This Spring and early Summer 2015 flood outlook includes the Wind, 
Big Horn, Green, Powder, Sweetwater, Shoshone, and Upper Yellowstone 
River Basins. A small portion of the Snake and the Lower North Platte
Basins is also used to make this runoff forecast. The outlook is from
today through the end of June. 

Many basins east of the continental divide receive up to 55 percent 
of their water year total for precipitation during the months of 
March through May. Accordingly, mountain snowpack can drastically 
change from late winter to late spring for basins east of the  
continental divide. 

Wyoming generally does not see any significant mountain snowmelt 
runoff until early to middle May, with mountain snowmelt runoff 
peaking around early June. Therefore, at this time, it is way too 
early to make any long range prediction on & the magnitude of 
flooding due to mountain snowmelt runoff. 

This outlook is based on various diverse hydrological factors such 
as snow water equivalents (SWEs) in the mountain snowpack, basin 
morphology (i.e. how basins respond to snowmelt), antecedent soil moisture 
amount  of bark beetle kill, low elevation snow depths, and likely temperature
and precipitation trends into late spring/early summer.

...Current water precipitation is averaging near 95 percent of normal
across Wyoming...

...Mountain snowpack across Wyoming is 90 to 95 percent of average...

...Wyoming carryover reservoir storages are 115 to 125 percent of 
average for February...

...Below normal snowmelt streamflow volumes are expected across major
basins in Wyoming...

 ...Additional information...

Other hydrological information for Wyoming can be found at the NOAA 
websites:  http//

For the current Wyoming spring flood potential graphic, please refer 

For the current Wyoming water supply graphic, please refer to:

For the latest Wyoming average monthly precipitation by basin 
graphics, please refer to:

For the latest monthly Wyoming hydrologic summary and graphics, 
please refer to:

For current and forecast Wyoming streamflows and/or river stages, 
please refer to: 

For Wyoming drought information, please refer to: